noun
- an elongated hill or ridge formed by glacial action, typically composed of glacial sediment
Usage: geology
Examples
- The landscape was dotted with drumlins left behind by the retreating glacier.
- Boston’s Beacon Hill is a famous drumlin that was partially leveled during urban development.
- Geologists studied the drumlin field to understand the direction of ancient ice flow.
- The farm was built on top of a drumlin, giving it excellent drainage.
- Drumlins are common features in areas that were covered by ice sheets during the last ice age.
- The drumlin’s steep side faced the direction from which the glacier had advanced.